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                  <a href="#gst-plugins-bad-libs-gstmpegvideometa.description" class="shortcut">Description</a></span>
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<a name="gst-plugins-bad-libs-gstmpegvideometa"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-bad-libs-gstmpegvideometa.top_of_page"></a>gstmpegvideometa</span></h2>
<p>gstmpegvideometa</p>
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<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-gstmpegvideometa.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="gst-plugins-bad-libs-gstmpegvideometa.html#GstMpegVideoMeta" title="struct GstMpegVideoMeta"><span class="returnvalue">GstMpegVideoMeta</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-gstmpegvideometa.html#gst-buffer-add-mpeg-video-meta" title="gst_buffer_add_mpeg_video_meta ()">gst_buffer_add_mpeg_video_meta</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-gstmpegvideometa.html#gst-buffer-get-mpeg-video-meta" title="gst_buffer_get_mpeg_video_meta()">gst_buffer_get_mpeg_video_meta</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstMeta.html#GstMetaInfo"><span class="returnvalue">GstMetaInfo</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-gstmpegvideometa.html#gst-mpeg-video-meta-get-info" title="gst_mpeg_video_meta_get_info ()">gst_mpeg_video_meta_get_info</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-gstmpegvideometa.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-gstmpegvideometa.html#GST-MPEG-VIDEO-META-API-TYPE:CAPS" title="GST_MPEG_VIDEO_META_API_TYPE">GST_MPEG_VIDEO_META_API_TYPE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-gstmpegvideometa.html#GST-MPEG-VIDEO-META-INFO:CAPS" title="GST_MPEG_VIDEO_META_INFO">GST_MPEG_VIDEO_META_INFO</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-gstmpegvideometa.html#GstMpegVideoMeta" title="struct GstMpegVideoMeta">GstMpegVideoMeta</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-gstmpegvideometa.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gst/codecparsers/gstmpegvideometa.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-gstmpegvideometa.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-gstmpegvideometa.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gst-buffer-add-mpeg-video-meta"></a><h3>gst_buffer_add_mpeg_video_meta ()</h3>
<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-gstmpegvideometa.html#GstMpegVideoMeta" title="struct GstMpegVideoMeta"><span class="returnvalue">GstMpegVideoMeta</span></a> *
gst_buffer_add_mpeg_video_meta (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                <em class="parameter"><code>const <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceHdr" title="struct GstMpegVideoSequenceHdr"><span class="type">GstMpegVideoSequenceHdr</span></a> *seq_hdr</code></em>,
                                <em class="parameter"><code>const <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceExt" title="struct GstMpegVideoSequenceExt"><span class="type">GstMpegVideoSequenceExt</span></a> *seq_ext</code></em>,
                                <em class="parameter"><code>const <span class="type">GstMpegVideoSequenceDisplayExt</span> *disp_ext</code></em>,
                                <em class="parameter"><code>const <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureHdr" title="struct GstMpegVideoPictureHdr"><span class="type">GstMpegVideoPictureHdr</span></a> *pic_hdr</code></em>,
                                <em class="parameter"><code>const <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureExt" title="struct GstMpegVideoPictureExt"><span class="type">GstMpegVideoPictureExt</span></a> *pic_ext</code></em>,
                                <em class="parameter"><code>const <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoQuantMatrixExt" title="struct GstMpegVideoQuantMatrixExt"><span class="type">GstMpegVideoQuantMatrixExt</span></a> *quant_ext</code></em>);</pre>
<p>Creates and adds a <a class="link" href="gst-plugins-bad-libs-gstmpegvideometa.html#GstMpegVideoMeta" title="struct GstMpegVideoMeta"><span class="type">GstMpegVideoMeta</span></a> to a <em class="parameter"><code>buffer</code></em>
.</p>
<p>Provided structures must either be <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> or GSlice-allocated.</p>
<div class="refsect3">
<a name="gst-buffer-add-mpeg-video-meta.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>buffer</p></td>
<td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-buffer-add-mpeg-video-meta.returns"></a><h4>Returns</h4>
<p>a newly created <a class="link" href="gst-plugins-bad-libs-gstmpegvideometa.html#GstMpegVideoMeta" title="struct GstMpegVideoMeta"><span class="type">GstMpegVideoMeta</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: 1.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-buffer-get-mpeg-video-meta"></a><h3>gst_buffer_get_mpeg_video_meta()</h3>
<pre class="programlisting">#define gst_buffer_get_mpeg_video_meta(b) ((GstMpegVideoMeta*)gst_buffer_get_meta((b),GST_MPEG_VIDEO_META_API_TYPE))
</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-mpeg-video-meta-get-info"></a><h3>gst_mpeg_video_meta_get_info ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstMeta.html#GstMetaInfo"><span class="returnvalue">GstMetaInfo</span></a> *
gst_mpeg_video_meta_get_info (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-gstmpegvideometa.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GST-MPEG-VIDEO-META-API-TYPE:CAPS"></a><h3>GST_MPEG_VIDEO_META_API_TYPE</h3>
<pre class="programlisting">#define GST_MPEG_VIDEO_META_API_TYPE  (gst_mpeg_video_meta_api_get_type())
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-MPEG-VIDEO-META-INFO:CAPS"></a><h3>GST_MPEG_VIDEO_META_INFO</h3>
<pre class="programlisting">#define GST_MPEG_VIDEO_META_INFO  (gst_mpeg_video_meta_get_info())
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstMpegVideoMeta"></a><h3>struct GstMpegVideoMeta</h3>
<pre class="programlisting">struct GstMpegVideoMeta {
  GstMeta            meta;

  GstMpegVideoSequenceHdr        *sequencehdr;
  GstMpegVideoSequenceExt        *sequenceext;
  GstMpegVideoSequenceDisplayExt *sequencedispext;
  GstMpegVideoPictureHdr         *pichdr;
  GstMpegVideoPictureExt         *picext;
  GstMpegVideoQuantMatrixExt     *quantext;

  guint num_slices;
  gsize slice_offset;
};
</pre>
<p>Extra buffer metadata describing the contents of a MPEG1/2 Video frame</p>
<p>Can be used by elements (mainly decoders) to avoid having to parse
Mpeg video 1/2 packets if it can be done upstream.</p>
<p>The various fields are only valid during the lifetime of the <a class="link" href="gst-plugins-bad-libs-gstmpegvideometa.html#GstMpegVideoMeta" title="struct GstMpegVideoMeta"><span class="type">GstMpegVideoMeta</span></a>.
If elements wish to use those for longer, they are required to make a copy.</p>
<div class="refsect3">
<a name="GstMpegVideoMeta.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstMeta.html#GstMeta"><span class="type">GstMeta</span></a> <em class="structfield"><code><a name="GstMpegVideoMeta.meta"></a>meta</code></em>;</p></td>
<td class="struct_member_description"><p>parent <a href="/usr/share/gtk-doc/html/gstreamer-1.0/gstreamer-GstMeta.html#GstMeta"><span class="type">GstMeta</span></a></p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceHdr" title="struct GstMpegVideoSequenceHdr"><span class="type">GstMpegVideoSequenceHdr</span></a> *<em class="structfield"><code><a name="GstMpegVideoMeta.sequencehdr"></a>sequencehdr</code></em>;</p></td>
<td class="struct_member_description"><p>the <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceHdr" title="struct GstMpegVideoSequenceHdr"><span class="type">GstMpegVideoSequenceHdr</span></a> if present in the buffer</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceExt" title="struct GstMpegVideoSequenceExt"><span class="type">GstMpegVideoSequenceExt</span></a> *<em class="structfield"><code><a name="GstMpegVideoMeta.sequenceext"></a>sequenceext</code></em>;</p></td>
<td class="struct_member_description"><p>the <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoSequenceExt" title="struct GstMpegVideoSequenceExt"><span class="type">GstMpegVideoSequenceExt</span></a> if present in the buffer</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><span class="type">GstMpegVideoSequenceDisplayExt</span> *<em class="structfield"><code><a name="GstMpegVideoMeta.sequencedispext"></a>sequencedispext</code></em>;</p></td>
<td class="struct_member_description"><p>the <span class="type">GstMpegVideoSequenceDisplayExt</span> if present in the
buffer.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureHdr" title="struct GstMpegVideoPictureHdr"><span class="type">GstMpegVideoPictureHdr</span></a> *<em class="structfield"><code><a name="GstMpegVideoMeta.pichdr"></a>pichdr</code></em>;</p></td>
<td class="struct_member_description"><p>the <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureHdr" title="struct GstMpegVideoPictureHdr"><span class="type">GstMpegVideoPictureHdr</span></a> if present in the buffer.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureExt" title="struct GstMpegVideoPictureExt"><span class="type">GstMpegVideoPictureExt</span></a> *<em class="structfield"><code><a name="GstMpegVideoMeta.picext"></a>picext</code></em>;</p></td>
<td class="struct_member_description"><p>the <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoPictureExt" title="struct GstMpegVideoPictureExt"><span class="type">GstMpegVideoPictureExt</span></a> if present in the buffer.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoQuantMatrixExt" title="struct GstMpegVideoQuantMatrixExt"><span class="type">GstMpegVideoQuantMatrixExt</span></a> *<em class="structfield"><code><a name="GstMpegVideoMeta.quantext"></a>quantext</code></em>;</p></td>
<td class="struct_member_description"><p>the <a class="link" href="gst-plugins-bad-libs-mpegvideoparser.html#GstMpegVideoQuantMatrixExt" title="struct GstMpegVideoQuantMatrixExt"><span class="type">GstMpegVideoQuantMatrixExt</span></a> if present in the buffer</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstMpegVideoMeta.num-slices"></a>num_slices</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> <em class="structfield"><code><a name="GstMpegVideoMeta.slice-offset"></a>slice_offset</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 1.2</p>
</div>
</div>
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